7023 Aluminum alloy,Aluminum 7023 alloy，E FORU

### **Aluminum 7023 Alloy (EN AW-7023) - Product Introduction** **Aluminum 7023** is a high-strength, heat-treatable aluminum-zinc-magnesium-copper alloy specifically developed for applications requiring excellent strength, good toughness, and superior corrosion resistance. This advanced 7xxx series alloy offers an optimal balance of mechanical properties and environmental durability, making it suitable for aerospace, defense, and high-performance structural applications. --- #### **1. Chemical Composition** The chemical composition is carefully balanced for high performance: | Element | Content (%) (Typical) | Standard Range | |---|---|---| | **Aluminum (Al)** | Balance | Balance | | **Zinc (Zn)** | 5.5 - 6.5 | 5.5 - 6.5 | | **Magnesium (Mg)** | 2.0 - 2.8 | 2.0 - 2.8 | | **Copper (Cu)** | 1.0 - 1.8 | 1.0 - 1.8 | | **Zirconium (Zr)** | 0.10 - 0.18 | 0.10 - 0.18 | | **Manganese (Mn)** | 0.05 - 0.15 | 0.05 - 0.15 | | **Chromium (Cr)** | 0.08 - 0.16 | 0.08 - 0.16 | | **Iron (Fe)** | ≤ 0.15 | ≤ 0.15 | | **Silicon (Si)** | ≤ 0.12 | ≤ 0.12 | | **Titanium (Ti)** | ≤ 0.05 | ≤ 0.05 | | **Others (Each)** | ≤ 0.05 | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | ≤ 0.15 | --- #### **2. Physical Properties** Aluminum 7023 exhibits excellent physical properties: | Property | Metric Value | Imperial Value | |---|---|---| | **Density** | 2.81 g/cm³ | 0.101 lb/in³ | | **Melting Range** | 475 - 635 °C | 887 - 1175 °F | | **Electrical Conductivity** | 34-38 % IACS (T6 Temper) | 34-38 % IACS | | **Thermal Conductivity** | 138-153 W/m·K | 955-1060 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/K | 13.1 × 10⁻⁶/°F | | **Modulus of Elasticity** | 71 GPa | 10,300 ksi | | **Shear Modulus** | 27 GPa | 3,920 ksi | --- #### **3. Mechanical Properties** Typical mechanical properties for common tempers: | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) | |---|---|---|---|---| | **T6** | 550-600 | 480-530 | 9-13 | 150-160 | | **T651** | 560-610 | 490-540 | 8-12 | 153-163 | | **T7351** | 510-560 | 440-490 | 10-14 | 140-150 | | **T7651** | 530-580 | 460-510 | 9-13 | 145-155 | --- #### **4. International Standards** Aluminum 7023 complies with the following international standards: * **AMS:** **AMS 4114** (Aerospace Material Specification) * **ASTM:** **ASTM B247**, **ASTM B209** * **EN:** **EN AW-7023** (3.4331) * **ISO:** **AlZn6MgCu** under ISO 209 * **UNS:** **A97023** * **MIL:** **MIL-A-22771** --- #### **5. Product Applications** Aluminum 7023 is used in demanding applications: * **Aerospace Structures:** Aircraft wing components, fuselage frames * **Military Equipment:** Defense system components, military vehicles * **Space Applications:** Satellite structures, space vehicle components * **High-Performance Automotive:** Racing chassis, suspension systems * **Marine Defense:** Naval vessel components, marine structures * **Industrial Machinery:** High-stress machinery components * **Sports Equipment:** Professional competition equipment * **Transportation:** High-strength vehicle components --- #### **6. Key Advantages & Characteristics** * **High Strength-to-Weight Ratio:** Excellent mechanical properties * **Superior Corrosion Resistance:** Enhanced environmental durability * **Excellent Fatigue Performance:** Outstanding cyclic loading resistance * **Good Fracture Toughness:** Enhanced damage tolerance * **Excellent Heat Treatability:** Responsive to aging treatments * **Good Machinability:** Suitable for precision manufacturing * **Thermal Stability:** Maintains properties at elevated temperatures * **Weldability:** Can be joined using specialized methods **Heat Treatment Characteristics:** - Solution treatment: 465-475°C (870-885°F) - Artificial aging: 120-140°C (250-285°F) - T7-type tempers for improved corrosion resistance - Stable mechanical properties after aging **Corrosion Performance:** - Excellent stress corrosion cracking resistance - Good exfoliation corrosion resistance - Suitable for severe environments - Maintains integrity in corrosive conditions **Manufacturing Characteristics:** - Good forgeability and extrudability - Suitable for complex shapes - Can be machined using conventional methods - Weldable using advanced techniques --- **Quality Assurance:** - Stringent chemical controls - Comprehensive mechanical testing - Advanced non-destructive evaluation - Full traceability and certification **Processing Recommendations:** - Use premium cutting tools - Implement controlled heat treatment - Follow established welding procedures - Maintain clean processing environment --- **Conclusion:** Aluminum 7023 represents an advanced high-strength aluminum alloy delivering exceptional mechanical properties and corrosion resistance. Its optimized composition makes it valuable for critical aerospace, defense, and high-performance applications where reliability is paramount. The alloy's ability to maintain excellent properties under demanding conditions establishes it as a preferred material for cutting-edge structural applications requiring superior performance characteristics.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2119 gallon liquid totes Special package is available on request.